Avery Berkel CX20 SERIES, Руководство по обслуживанию

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14 — Keyboard
14–5 CX20/CX30/CX34 Service Manual
14.3.2 Fitting a keyboard (CX20/CX30)
To fit a keyboard to CX20/CX30, proceed as follows:
1 Clean case surface.
2 Remove backing paper from rear of new keyboard to reveal
self–adhesive material (do not press keyboard pads until keyboard is
fitted to case of unit: to do so will distort permanently keyboard
laminates).
3 Check that keyboard is correct way up (ribbon cable to bottom) and
position in case aperture, with ribbon cable and earth strap located
through slot in case aperture. Lightly press keyboard to make good
contact with unit case.
4 Fit overlay.
5 Fit plastic bezel covering keyboard by locating upper edge and then
snap–fitting lower edge into position on case.
6 Connect earth strap to inside case with the screw and two washers:
washer either side of earth strap and earth braid nearest cover.
7 Connect keyboard/main PCB flying connector (jumper cable from PL4)
at vendor side of case.
8 Fit unit case (refer to Section 3).
14.3.3 Removing a keyboard (CX34)
To remove a keyboard from CX34, proceed as follows:
1 Switch off machine and isolate it from the mains power supply.
2 Remove front housing (refer to Section 3).
3 Remove rubber securing strips from top and bottom of keyboard.
4 Disconnect earth strap from inside case by removing the screw and two
washers (plain and shakeproof) and earth braid (case to power utility
bracket).
5 Remove the connector at the end of the keyboard’s acetate ribbon
cable.
6 Peel off keyboard (with plastic sheet) from cover and completely
remove by pulling keyboard connector and earth strap through slot in
cover.